... -activated,portable,green disposable warm baby/warm paste for sport 1:Net weight:40-2500g size:80* ... °C, get heating in seconds.5:No need for preheating ahead of time, convenient to carry and ... lasting time of heat release:30-50minutes7:Application:for daily warm, such as :warm hand, face, ... bodyEspecially great for heating when you are climbing,travelling,camping,going to ...